CVE-2017-7484

postgresql: Selectivity estimators bypass SELECT privilege checks

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

It was found that some selectivity estimation functions in PostgreSQL before 9.2.21, 9.3.x before 9.3.17, 9.4.x before 9.4.12, 9.5.x before 9.5.7, and 9.6.x before 9.6.3 did not check user privileges before providing information from pg_statistic, possibly leaking information. An unprivileged attacker could use this flaw to steal some information from tables they are otherwise not allowed to access.

Se ha descubierto que algunas funciones de estimación de selectividad en PostgreSQL, en versiones anteriores a la 9.2.21, versiones 9.3.x anteriores a la 9.3.17, versiones 9.4.x anteriores a la 9.4.12, versiones 9.5.x anteriores a la 9.5.7 y versiones 9.6.x anteriores a la 9.6.3, no verificaban los privilegios de usuario antes de ofrecer información de pg_statistic, lo que probablemente implique un filtrado de información. Un atacante sin privilegios podría utilizar este fallo para robar información de tablas a las que, de otra forma, no tendría acceso.

It was found that some selectivity estimation functions did not check user privileges before providing information from pg_statistic, possibly leaking information. A non-administrative database user could use this flaw to steal some information from tables they are otherwise not allowed to access.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-04-05 CVE Reserved
2017-05-12 CVE Published
2023-03-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-285: Improper Authorization
CWE-862: Missing Authorization

CAPEC

References (12)

URL	Tag	Source
http://www.securityfocus.com/bid/98459	Third Party Advisory
http://www.securitytracker.com/id/1038476	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://www.debian.org/security/2017/dsa-3851	2018-01-05
https://access.redhat.com/errata/RHSA-2017:1677	2018-01-05
https://access.redhat.com/errata/RHSA-2017:1678	2018-01-05
https://access.redhat.com/errata/RHSA-2017:1838	2018-01-05
https://access.redhat.com/errata/RHSA-2017:1983	2018-01-05
https://access.redhat.com/errata/RHSA-2017:2425	2018-01-05
https://security.gentoo.org/glsa/201710-06	2018-01-05
https://www.postgresql.org/about/news/1746	2018-01-05
https://access.redhat.com/security/cve/CVE-2017-7484	2017-08-07
https://bugzilla.redhat.com/show_bug.cgi?id=1448078	2017-08-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				<= 9.2.20 Search vendor "Postgresql" for product "Postgresql" and version " <= 9.2.20"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3 Search vendor "Postgresql" for product "Postgresql" and version "9.3"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.1 Search vendor "Postgresql" for product "Postgresql" and version "9.3.1"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.2 Search vendor "Postgresql" for product "Postgresql" and version "9.3.2"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.3 Search vendor "Postgresql" for product "Postgresql" and version "9.3.3"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.4 Search vendor "Postgresql" for product "Postgresql" and version "9.3.4"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.5 Search vendor "Postgresql" for product "Postgresql" and version "9.3.5"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.6 Search vendor "Postgresql" for product "Postgresql" and version "9.3.6"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.7 Search vendor "Postgresql" for product "Postgresql" and version "9.3.7"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.8 Search vendor "Postgresql" for product "Postgresql" and version "9.3.8"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.9 Search vendor "Postgresql" for product "Postgresql" and version "9.3.9"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.10 Search vendor "Postgresql" for product "Postgresql" and version "9.3.10"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.11 Search vendor "Postgresql" for product "Postgresql" and version "9.3.11"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.12 Search vendor "Postgresql" for product "Postgresql" and version "9.3.12"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.13 Search vendor "Postgresql" for product "Postgresql" and version "9.3.13"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.14 Search vendor "Postgresql" for product "Postgresql" and version "9.3.14"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.15 Search vendor "Postgresql" for product "Postgresql" and version "9.3.15"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.3.16 Search vendor "Postgresql" for product "Postgresql" and version "9.3.16"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4 Search vendor "Postgresql" for product "Postgresql" and version "9.4"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.1 Search vendor "Postgresql" for product "Postgresql" and version "9.4.1"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.2 Search vendor "Postgresql" for product "Postgresql" and version "9.4.2"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.3 Search vendor "Postgresql" for product "Postgresql" and version "9.4.3"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.4 Search vendor "Postgresql" for product "Postgresql" and version "9.4.4"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.5 Search vendor "Postgresql" for product "Postgresql" and version "9.4.5"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.6 Search vendor "Postgresql" for product "Postgresql" and version "9.4.6"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.7 Search vendor "Postgresql" for product "Postgresql" and version "9.4.7"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.8 Search vendor "Postgresql" for product "Postgresql" and version "9.4.8"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.9 Search vendor "Postgresql" for product "Postgresql" and version "9.4.9"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.10 Search vendor "Postgresql" for product "Postgresql" and version "9.4.10"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.4.11 Search vendor "Postgresql" for product "Postgresql" and version "9.4.11"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.5 Search vendor "Postgresql" for product "Postgresql" and version "9.5"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.5.1 Search vendor "Postgresql" for product "Postgresql" and version "9.5.1"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.5.2 Search vendor "Postgresql" for product "Postgresql" and version "9.5.2"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.5.3 Search vendor "Postgresql" for product "Postgresql" and version "9.5.3"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.5.4 Search vendor "Postgresql" for product "Postgresql" and version "9.5.4"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.5.5 Search vendor "Postgresql" for product "Postgresql" and version "9.5.5"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.5.6 Search vendor "Postgresql" for product "Postgresql" and version "9.5.6"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.6 Search vendor "Postgresql" for product "Postgresql" and version "9.6"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.6.1 Search vendor "Postgresql" for product "Postgresql" and version "9.6.1"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				9.6.2 Search vendor "Postgresql" for product "Postgresql" and version "9.6.2"		-		Affected